momentous

[ moh-men-tuhs ]
See synonyms for: momentousmomentousness on Thesaurus.com

adjective
  1. of great or far-reaching importance or consequence: a momentous day.

Origin of momentous

1
First recorded in 1645–55; moment + -ous

synonym study For momentous

See heavy.

Other words for momentous

Opposites for momentous

Other words from momentous

  • mo·men·tous·ly, adverb
  • mo·men·tous·ness, noun
  • un·mo·men·tous, adjective
  • un·mo·men·tous·ly, adverb
  • un·mo·men·tous·ness, noun

Words Nearby momentous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use momentous in a sentence

British Dictionary definitions for momentous

momentous

/ (məʊˈmɛntəs) /


adjective
  1. of great significance

Derived forms of momentous

  • momentously, adverb
  • momentousness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012